The visualization plots matches played (x-axis) against points accumulated (y-axis). Click on "Add club" button to compare the progress against that of the other clubs playing in the England and Wales FA Championship.
You should be able to see that after a slow start Reading did brilliantly, especially in the second half of the season. Come on URRRRZZZZ!
Note that for best results (probably for any results) you'll need to use a browser which supports scalable vector graphics (you should be OK unless using internet explorer 8 or earlier)